C0040Medium severity

Right Front Wheel Speed Sensor Circuit

The ABS wheel speed sensor on the right front wheel is malfunctioning.

Safe to Drive?
Yes

Informational only. Consult a qualified mechanic.

Estimated Repair Cost
$75 - $350
Common Causes
  • Faulty wheel speed sensor
  • Damaged tone ring
  • Wiring issue
Recommended Action

Replace the wheel speed sensor.

What does C0040 mean?

The C0040 OBD-II diagnostic trouble code (DTC) indicates: right front wheel speed sensor circuit. This is a medium-severity chassis code that your vehicle's onboard diagnostics system triggers when the abs wheel speed sensor on the right front wheel is malfunctioning. If your check engine light is on with this code, the vehicle is generally safe to drive, but you should have it inspected soon.

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